include/time.h

   1 #ifndef _TIME_H
   2 #if defined __need_time_t  || defined __need_clock_t || defined __need_timespec
   3 # include <time/time.h>
   4 #else
   5 # include <time/time.h>
   6
   7 extern __typeof (strftime_l) __strftime_l;
   8 libc_hidden_proto (__strftime_l)
   9 extern __typeof (strptime_l) __strptime_l;
  10
  11 libc_hidden_proto (time)
  12 libc_hidden_proto (asctime)
  13 libc_hidden_proto (mktime)
  14 libc_hidden_proto (timelocal)
  15 libc_hidden_proto (localtime)
  16 libc_hidden_proto (strftime)
  17 libc_hidden_proto (strptime)
  18
  19 /* Now define the internal interfaces.  */
  20 struct tm;
  21
  22 /* Defined in mktime.c.  */
  23 extern const unsigned short int __mon_yday[2][13] attribute_hidden;
  24
  25 /* Defined in localtime.c.  */
  26 extern struct tm _tmbuf attribute_hidden;
  27
  28 /* Defined in tzset.c.  */
  29 extern char *__tzstring (const char *string);
  30
  31 /* Defined in tzset.c. */
  32 extern size_t __tzname_cur_max attribute_hidden;
  33
  34
  35 extern int __use_tzfile attribute_hidden;
  36
  37 extern void __tzfile_read (const char *file, size_t extra,
  38                            char **extrap);
  39 extern void __tzfile_compute (time_t timer, int use_localtime,
  40                               long int *leap_correct, int *leap_hit,
  41                               struct tm *tp);
  42 extern void __tzfile_default (const char *std, const char *dst,
  43                               long int stdoff, long int dstoff);
  44
  45 /* Subroutine of `mktime'.  Return the `time_t' representation of TP and
  46    normalize TP, given that a `struct tm *' maps to a `time_t' as performed
  47    by FUNC.  Keep track of next guess for time_t offset in *OFFSET.  */
  48 extern time_t __mktime_internal (struct tm *__tp,
  49                                  struct tm *(*__func) (const time_t *,
  50                                                        struct tm *),
  51                                  time_t *__offset);
  52 extern struct tm *__localtime_r (__const time_t *__timer,
  53                                  struct tm *__tp) attribute_hidden;
  54
  55 extern struct tm *__gmtime_r (__const time_t *__restrict __timer,
  56                               struct tm *__restrict __tp);
  57 libc_hidden_proto (__gmtime_r)
  58
  59 /* Compute the `struct tm' representation of *T,
  60    offset OFFSET seconds east of UTC,
  61    and store year, yday, mon, mday, wday, hour, min, sec into *TP.
  62    Return nonzero if successful.  */
  63 extern int __offtime (__const time_t *__timer,
  64                       long int __offset,
  65                       struct tm *__tp);
  66
  67 extern char *__asctime_r (__const struct tm *__tp, char *__buf);
  68 extern void __tzset (void);
  69
  70 /* Prototype for the internal function to get information based on TZ.  */
  71 extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
  72
  73 /* Return the maximum length of a timezone name.
  74    This is what `sysconf (_SC_TZNAME_MAX)' does.  */
  75 extern long int __tzname_max (void);
  76
  77 extern int __nanosleep (__const struct timespec *__requested_time,
  78                         struct timespec *__remaining);
  79 libc_hidden_proto(__nanosleep)
  80 extern int __getdate_r (__const char *__string, struct tm *__resbufp);
  81
  82
  83 /* Determine CLK_TCK value.  */
  84 extern int __getclktck (void);
  85 #endif
  86 #endif